| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 03.99 |
| PATENT ASSIGNEE | BetzDearborn (Trevose; Pa) |
| PATENT CLAIMS |
- Converting wastepaper to pulp - Contact pulp with water contg RO-(EO)nH; R = 10-15 C branched alkyl & n = 5-8 - Flotation processing Surfactant compn added at 0.25-2 pound/ton amount |
| PATENT PHOTOCOPY | Available on request |
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